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    Stochastic Steffensen method

    Is it possible for a first-order method, i.e., only first derivatives allowed, to be quadratically convergent? For univariate loss functions, the answer is yes—the Steffensen method avoids second derivatives and ...

    Minda Zhao, Zehua Lai, Lek-Heng Lim in Computational Optimization and Applications (2024)